Science > Physics > Nth Complexity's FAQ about Physics and Other Sciences
| Topic: |
Science > Physics |
| User: |
"Nth Complexity" |
| Date: |
18 Aug 2005 11:36:51 PM |
| Object: |
Nth Complexity's FAQ about Physics and Other Sciences |
Q: Why are raindrops shaped like tears?
A: The water molecules are polar, so they want to turn to the polar
magnetic field of the Earth. But when the molecules begin moving
toward the magnetic field, the Coriolis force makes them turn upward.
In the southern hemisphere, raindrops look like upside-down tears.
Q: Why does glass flow down old windows but not new ones?
A: Anything made out of glass is disturbed by waves at its resonant
frequency. In old windows, the resonant frequency was often the same
as the frequency of sunlight. New windows are designed not to have
this problem.
Q: Why are eggs easier to balance on the day of the equinox?
A: At the summer equinox, the Earth is at its closest point to the
Sun. This means that the Sun and the Earth pull on the egg in
precisely opposite directions. The forces from the Earth and Sun
cancel each other out, so the egg has zero angular momentum.
Q: Why is our galaxy expanding?
A: The stars in our galaxy are close enough together that once in a
while, one star passes in front of another and blocks its gravity.
Every time this happens, the galaxy expands a little.
Q: Why does tapping the side of a pop can keep it from frothing over
when opened?
A: Pop cans explode because the carbon wants to get out of the can.
When you tap the can, some of the carbon hits the side of the can and
combines chemically with the aluminium.
-- Nth Complexity --
Victor von Frankenstein "Weird Science" Award - August, 2005
"The teaching of science and mathematics must be purged of its
authoritarian and elitist characteristics, and the content of these
subjects enriched by incorporating the insights of the feminist,
queer, multiculturalist and ecological critiques." -- A.D.S.
--
Sent by nth_complexity from yahoo in field com
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| User: "Sam Wormley" |
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| Title: Re: Nth Complexity's FAQ about Physics and Other Sciences |
19 Aug 2005 12:41:12 AM |
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Nth Complexity wrote:
Q: Why are raindrops shaped like tears?
*Plonk*
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